diff --git a/Cargo.lock b/Cargo.lock
index 8ca3a41..8d7d89f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -128,9 +128,9 @@ checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
 
 [[package]]
 name = "axum"
-version = "0.8.7"
+version = "0.8.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b098575ebe77cb6d14fc7f32749631a6e44edbef6b796f89b020e99ba20d425"
+checksum = "8b52af3cb4058c895d37317bb27508dccc8e5f2d39454016b297bf4a400597b8"
 dependencies = [
  "axum-core",
  "base64",
@@ -165,9 +165,9 @@ dependencies = [
 
 [[package]]
 name = "axum-core"
-version = "0.5.5"
+version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59446ce19cd142f8833f856eb31f3eb097812d1479ab224f54d72428ca21ea22"
+checksum = "08c78f31d7b1291f7ee735c1c6780ccde7785daae9a9206026862dab7d8792d1"
 dependencies = [
  "bytes",
  "futures-core",
@@ -190,9 +190,9 @@ checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
 [[package]]
 name = "base64ct"
-version = "1.8.1"
+version = "1.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e050f626429857a27ddccb31e0aca21356bfa709c04041aefddac081a8f068a"
+checksum = "2af50177e190e07a26ab74f8b1efbfe2ef87da2116221318cb1c2e82baf7de06"
 
 [[package]]
 name = "bitflags"
@@ -223,9 +223,9 @@ dependencies = [
 
 [[package]]
 name = "bumpalo"
-version = "3.19.0"
+version = "3.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46c5e41b57b8bba42a04676d81cb89e9ee8e859a1a66f80a5a72e1cb76b34d43"
+checksum = "5dd9dc738b7a8311c7ade152424974d8115f2cdad61e8dab8dac9f2362298510"
 
 [[package]]
 name = "byteorder"
@@ -241,9 +241,9 @@ checksum = "b35204fbdc0b3f4446b89fc1ac2cf84a8a68971995d0bf2e925ec7cd960f9cb3"
 
 [[package]]
 name = "cc"
-version = "1.2.49"
+version = "1.2.52"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90583009037521a116abf44494efecd645ba48b6622457080f080b85544e2215"
+checksum = "cd4932aefd12402b36c60956a4fe0035421f544799057659ff86f923657aada3"
 dependencies = [
  "find-msvc-tools",
  "shlex",
@@ -255,30 +255,6 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
-[[package]]
-name = "chatapp"
-version = "1.0.0"
-dependencies = [
- "anyhow",
- "argon2",
- "axum",
- "chrono",
- "clap",
- "dashmap",
- "jsonwebtoken",
- "password-hash",
- "serde",
- "serde_json",
- "sqlx",
- "tokio",
- "tower-http",
- "tower_governor",
- "tracing",
- "tracing-subscriber",
- "uuid",
- "validator",
-]
-
 [[package]]
 name = "chrono"
 version = "0.4.42"
@@ -295,9 +271,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.5.53"
+version = "4.5.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9e340e012a1bf4935f5282ed1436d1489548e8f72308207ea5df0e23d2d03f8"
+checksum = "c6e6ff9dcd79cff5cd969a17a545d79e84ab086e444102a591e288a8aa3ce394"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -305,9 +281,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.5.53"
+version = "4.5.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d76b5d13eaa18c901fd2f7fca939fefe3a0727a953561fefdf3b2922b8569d00"
+checksum = "fa42cf4d2b7a41bc8f663a7cab4031ebafa1bf3875705bfaf8466dc60ab52c00"
 dependencies = [
  "anstream",
  "anstyle",
@@ -329,9 +305,9 @@ dependencies = [
 
 [[package]]
 name = "clap_lex"
-version = "0.7.6"
+version = "0.7.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1d728cc89cf3aee9ff92b05e62b19ee65a02b5702cff7d5a377e32c6ae29d8d"
+checksum = "c3e64b0cc0439b12df2fa678eae89a1c56a529fd067a9115f7827f1fffd22b32"
 
 [[package]]
 name = "colorchoice"
@@ -435,9 +411,9 @@ dependencies = [
 
 [[package]]
 name = "data-encoding"
-version = "2.9.0"
+version = "2.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a2330da5de22e8a3cb63252ce2abb30116bf5265e89c0e01bc17015ce30a476"
+checksum = "d7a1e2f27636f116493b8b860f5546edb47c8d8f8ea73e1d2a20be88e28d1fea"
 
 [[package]]
 name = "der"
@@ -552,9 +528,9 @@ checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
 
 [[package]]
 name = "find-msvc-tools"
-version = "0.1.5"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3a3076410a55c90011c298b04d0cfa770b00fa04e1e3c97d3f6c9de105a03844"
+checksum = "f449e6c6c08c865631d4890cfacf252b3d396c9bcc83adb6623cdb02a8336c41"
 
 [[package]]
 name = "flume"
@@ -619,6 +595,30 @@ dependencies = [
  "thiserror 1.0.69",
 ]
 
+[[package]]
+name = "frangipane"
+version = "1.0.0"
+dependencies = [
+ "anyhow",
+ "argon2",
+ "axum",
+ "chrono",
+ "clap",
+ "dashmap",
+ "jsonwebtoken",
+ "password-hash",
+ "serde",
+ "serde_json",
+ "sqlx",
+ "tokio",
+ "tower-http",
+ "tower_governor",
+ "tracing",
+ "tracing-subscriber",
+ "uuid",
+ "validator",
+]
+
 [[package]]
 name = "futures-channel"
 version = "0.3.31"
@@ -709,9 +709,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.16"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "335ff9f135e4384c8150d6f27c6daed433577f86b4750418338c01a1a2528592"
+checksum = "ff2abc00be7fca6ebc474524697ae276ad847ad0a6b3faa4bcb027e9a4614ad0"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -736,9 +736,9 @@ dependencies = [
 
 [[package]]
 name = "governor"
-version = "0.10.2"
+version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e23d5986fd4364c2fb7498523540618b4b8d92eec6c36a02e565f66748e2f79"
+checksum = "9efcab3c1958580ff1f25a2a41be1668f7603d849bb63af523b208a3cc1223b8"
 dependencies = [
  "cfg-if",
  "dashmap",
@@ -759,9 +759,9 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.4.12"
+version = "0.4.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3c0b69cfcb4e1b9f1bf2f53f95f766e4661169728ec61cd3fe5a0166f2d1386"
+checksum = "2f44da3a8150a6703ed5d34e164b875fd14c2cdab9af1252a9a1020bde2bdc54"
 dependencies = [
  "atomic-waker",
  "bytes",
@@ -1082,9 +1082,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.12.1"
+version = "2.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ad4bb2b565bca0645f4d68c5c9af97fba094e9791da685bf83cb5f3ce74acf2"
+checksum = "7714e70437a7dc3ac8eb7e6f8df75fd8eb422675fc7678aff7364301092b1017"
 dependencies = [
  "equivalent",
  "hashbrown 0.16.1",
@@ -1098,9 +1098,9 @@ checksum = "a6cb138bb79a146c1bd460005623e142ef0181e3d0219cb493e02f7d08a35695"
 
 [[package]]
 name = "itoa"
-version = "1.0.15"
+version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
+checksum = "92ecc6618181def0457392ccd0ee51198e065e016d1d527a7ac1b6dc7c1f09d2"
 
 [[package]]
 name = "js-sys"
@@ -1138,9 +1138,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.178"
+version = "0.2.180"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37c93d8daa9d8a012fd8ab92f088405fb202ea0b6ab73ee2482ae66af4f42091"
+checksum = "bcc35a38544a891a5f7c865aca548a982ccb3b8650a5b06d0fd33a10283c56fc"
 
 [[package]]
 name = "libm"
@@ -1150,13 +1150,13 @@ checksum = "f9fbbcab51052fe104eb5e5d351cf728d30a5be1fe14d9be8a3b097481fb97de"
 
 [[package]]
 name = "libredox"
-version = "0.1.10"
+version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "416f7e718bdb06000964960ffa43b4335ad4012ae8b99060261aa4a8088d5ccb"
+checksum = "3d0b95e02c851351f877147b7deea7b1afb1df71b63aa5f8270716e0c5720616"
 dependencies = [
  "bitflags",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.7.0",
 ]
 
 [[package]]
@@ -1432,7 +1432,7 @@ checksum = "2621685985a2ebf1c516881c026032ac7deafcda1a2c9b7850dc81e3dfcb64c1"
 dependencies = [
  "cfg-if",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.5.18",
  "smallvec",
  "windows-link",
 ]
@@ -1534,9 +1534,9 @@ checksum = "7edddbd0b52d732b21ad9a5fab5c704c14cd949e5e9a1ec5929a24fded1b904c"
 
 [[package]]
 name = "portable-atomic"
-version = "1.11.1"
+version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f84267b20a16ea918e43c6a88433c2d54fa145c92a811b5b047ccbe153674483"
+checksum = "f89776e4d69bb58bc6993e99ffa1d11f228b839984854c7daeb5d37f87cbe950"
 
 [[package]]
 name = "potential_utf"
@@ -1564,9 +1564,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.103"
+version = "1.0.105"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ee95bc4ef87b8d5ba32e8b7714ccc834865276eab0aed5c9958d00ec45f49e8"
+checksum = "535d180e0ecab6268a3e718bb9fd44db66bbbc256257165fc699dadf70d16fe7"
 dependencies = [
  "unicode-ident",
 ]
@@ -1588,9 +1588,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.42"
+version = "1.0.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a338cc41d27e6cc6dce6cefc13a0729dfbb81c262b1f519331575dd80ef3067f"
+checksum = "dc74d9a594b72ae6656596548f56f667211f8a97b3d4c3d467150794690dc40a"
 dependencies = [
  "proc-macro2",
 ]
@@ -1619,7 +1619,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1"
 dependencies = [
  "rand_chacha 0.9.0",
- "rand_core 0.9.3",
+ "rand_core 0.9.5",
 ]
 
 [[package]]
@@ -1639,7 +1639,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.9.3",
+ "rand_core 0.9.5",
 ]
 
 [[package]]
@@ -1648,14 +1648,14 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom 0.2.16",
+ "getrandom 0.2.17",
 ]
 
 [[package]]
 name = "rand_core"
-version = "0.9.3"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99d9a13982dcf210057a8a78572b2217b667c3beacbf3a0d8b454f6f82837d38"
+checksum = "76afc826de14238e6e8c374ddcc1fa19e374fd8dd986b0d2af0d02377261d83c"
 dependencies = [
  "getrandom 0.3.4",
 ]
@@ -1678,6 +1678,15 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49f3fe0889e69e2ae9e41f4d6c4c0181701d00e4697b356fb1f74173a5e0ee27"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "regex"
 version = "1.12.2"
@@ -1715,7 +1724,7 @@ checksum = "a4689e6c2294d81e88dc6261c768b63bc4fcdb852be6d1352498b114f61383b7"
 dependencies = [
  "cc",
  "cfg-if",
- "getrandom 0.2.16",
+ "getrandom 0.2.17",
  "libc",
  "untrusted",
  "windows-sys 0.52.0",
@@ -1723,9 +1732,9 @@ dependencies = [
 
 [[package]]
 name = "rsa"
-version = "0.9.9"
+version = "0.9.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40a0376c50d0358279d9d643e4bf7b7be212f1f4ff1da9070a7b54d22ef75c88"
+checksum = "b8573f03f5883dcaebdfcf4725caa1ecb9c15b2ef50c43a07b816e06799bb12d"
 dependencies = [
  "const-oid",
  "digest",
@@ -1743,9 +1752,9 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "1.1.2"
+version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd15f8a2c5551a84d56efdc1cd049089e409ac19a3072d5037a17fd70719ff3e"
+checksum = "146c9e247ccc180c1f61615433868c99f3de3ae256a30a43b49f67c2d9171f34"
 dependencies = [
  "bitflags",
  "errno",
@@ -1762,9 +1771,9 @@ checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
 
 [[package]]
 name = "ryu"
-version = "1.0.20"
+version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
+checksum = "a50f4cf475b65d88e057964e0e9bb1f0aa9bbb2036dc65c64596b42932536984"
 
 [[package]]
 name = "schannel"
@@ -1836,15 +1845,15 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.145"
+version = "1.0.149"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "402a6f66d8c709116cf22f558eab210f5a50187f702eb4d7e5ef38d9a7f1c79c"
+checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
 dependencies = [
  "itoa",
  "memchr",
- "ryu",
  "serde",
  "serde_core",
+ "zmij",
 ]
 
 [[package]]
@@ -2210,9 +2219,9 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
 [[package]]
 name = "syn"
-version = "2.0.111"
+version = "2.0.114"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "390cc9a294ab71bdb1aa2e99d13be9c753cd2d7bd6560c77118597410c4d2e87"
+checksum = "d4d107df263a3013ef9b1879b0df87d706ff80f65a86ea879bd9c31f9b307c2a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2238,9 +2247,9 @@ dependencies = [
 
 [[package]]
 name = "tempfile"
-version = "3.23.0"
+version = "3.24.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d31c77bdf42a745371d260a26ca7163f1e0924b64afa0b688e61b5a9fa02f16"
+checksum = "655da9c7eb6305c55742045d5a8d2037996d61d8de95806335c7c86ce0f82e9c"
 dependencies = [
  "fastrand",
  "getrandom 0.3.4",
@@ -2300,30 +2309,30 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.3.44"
+version = "0.3.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91e7d9e3bb61134e77bde20dd4825b97c010155709965fedf0f49bb138e52a9d"
+checksum = "f9e442fc33d7fdb45aa9bfeb312c095964abdf596f7567261062b2a7107aaabd"
 dependencies = [
  "deranged",
  "itoa",
  "num-conv",
  "powerfmt",
- "serde",
+ "serde_core",
  "time-core",
  "time-macros",
 ]
 
 [[package]]
 name = "time-core"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40868e7c1d2f0b8d73e4a8c7f0ff63af4f6d19be117e90bd73eb1d62cf831c6b"
+checksum = "8b36ee98fd31ec7426d599183e8fe26932a8dc1fb76ddb6214d05493377d34ca"
 
 [[package]]
 name = "time-macros"
-version = "0.2.24"
+version = "0.2.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30cfb0125f12d9c277f35663a0a33f8c30190f4e4574868a330595412d34ebf3"
+checksum = "71e552d1249bf61ac2a52db88179fd0673def1e1ad8243a00d9ec9ed71fee3dd"
 dependencies = [
  "num-conv",
  "time-core",
@@ -2356,9 +2365,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.48.0"
+version = "1.49.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff360e02eab121e0bc37a2d3b4d4dc622e6eda3a8e5253d5435ecf5bd4c68408"
+checksum = "72a2903cd7736441aac9df9d7688bd0ce48edccaadf181c3b90be801e81d3d86"
 dependencies = [
  "bytes",
  "libc",
@@ -2382,9 +2391,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-stream"
-version = "0.1.17"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eca58d7bba4a75707817a2c44174253f9236b2d5fbd055602e9d5c07c139a047"
+checksum = "32da49809aab5c3bc678af03902d4ccddea2a87d028d86392a4b1560c6906c70"
 dependencies = [
  "futures-core",
  "pin-project-lite",
@@ -2405,9 +2414,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-util"
-version = "0.7.17"
+version = "0.7.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2efa149fe76073d6e8fd97ef4f4eca7b67f599660115591483572e406e165594"
+checksum = "9ae9cec805b01e8fc3fd2fe289f89149a9b66dd16786abd8b19cfa7b48cb0098"
 dependencies = [
  "bytes",
  "futures-core",
@@ -2447,9 +2456,9 @@ dependencies = [
 
 [[package]]
 name = "tower"
-version = "0.5.2"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d039ad9159c98b70ecfd540b2573b97f7f52c3e8d9f8ad57a24b916a536975f9"
+checksum = "ebe5ef63511595f1344e2d5cfa636d973292adc0eec1f0ad45fae9f0851ab1d4"
 dependencies = [
  "futures-core",
  "futures-util",
@@ -2512,9 +2521,9 @@ dependencies = [
 
 [[package]]
 name = "tracing"
-version = "0.1.43"
+version = "0.1.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d15d90a0b5c19378952d479dc858407149d7bb45a14de0142f6c534b16fc647"
+checksum = "63e71662fa4b2a2c3a26f570f037eb95bb1f85397f3cd8076caed2f026a6d100"
 dependencies = [
  "log",
  "pin-project-lite",
@@ -2535,9 +2544,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-core"
-version = "0.1.35"
+version = "0.1.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a04e24fab5c89c6a36eb8558c9656f30d81de51dfa4d3b45f26b21d61fa0a6c"
+checksum = "db97caf9d906fbde555dd62fa95ddba9eecfd14cb388e4f491a66d74cd5fb79a"
 dependencies = [
  "once_cell",
  "valuable",
@@ -2632,9 +2641,9 @@ checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
 
 [[package]]
 name = "url"
-version = "2.5.7"
+version = "2.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08bc136a29a3d1758e07a9cca267be308aeebf5cfd5a10f3f67ab2097683ef5b"
+checksum = "ff67a8a4397373c3ef660812acab3268222035010ab8680ec4215f38ba3d0eed"
 dependencies = [
  "form_urlencoded",
  "idna",
@@ -3150,18 +3159,18 @@ dependencies = [
 
 [[package]]
 name = "zerocopy"
-version = "0.8.31"
+version = "0.8.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd74ec98b9250adb3ca554bdde269adf631549f51d8a8f8f0a10b50f1cb298c3"
+checksum = "668f5168d10b9ee831de31933dc111a459c97ec93225beb307aed970d1372dfd"
 dependencies = [
  "zerocopy-derive",
 ]
 
 [[package]]
 name = "zerocopy-derive"
-version = "0.8.31"
+version = "0.8.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8a8d209fdf45cf5138cbb5a506f6b52522a25afccc534d1475dad8e31105c6a"
+checksum = "2c7962b26b0a8685668b671ee4b54d007a67d4eaf05fda79ac0ecf41e32270f1"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3227,3 +3236,9 @@ dependencies = [
  "quote",
  "syn",
 ]
+
+[[package]]
+name = "zmij"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd8f3f50b848df28f887acb68e41201b5aea6bc8a8dacc00fb40635ff9a72fea"
diff --git a/Cargo.toml b/Cargo.toml
index 219ccd8..c1ebd15 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "chatapp"
+name = "frangipane"
 version = "1.0.0"
 edition = "2024"
 
diff --git a/README.md b/README.md
index 7718395..a3370cb 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,5 @@
-# chat app backend
+# Frangipane backend
 
 ## Configuration
 
-- Specify the JWT secret with the `CHATAPP_JWT_SECRET` environment variable.
-- Specify the server's port with the `CHATAPP_PORT` environment variable. Defaults to `8080`.
-- To disable user registration, pass in `CHATAPP_PROHIBIT_REGISTRATION=true`.
+- Specify the JWT secret with the `FRANGIPANE_JWT_SECRET` environment variable.
diff --git a/db/Dockerfile b/db/Dockerfile
index 39d085a..ac641a0 100644
--- a/db/Dockerfile
+++ b/db/Dockerfile
@@ -1,9 +1,9 @@
 FROM docker.io/library/postgres:15
 
 # Set environment variables
-ENV POSTGRES_USER=chatapp
+ENV POSTGRES_USER=frangipane
 ENV POSTGRES_PASSWORD=secret
-ENV POSTGRES_DB=chatapp
+ENV POSTGRES_DB=frangipane
 
 # Copy the initialization SQL script
 COPY init.sql /docker-entrypoint-initdb.d/
diff --git a/flake.lock b/flake.lock
index 8f16d54..93543e3 100644
--- a/flake.lock
+++ b/flake.lock
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1766902085,
-        "narHash": "sha256-coBu0ONtFzlwwVBzmjacUQwj3G+lybcZ1oeNSQkgC0M=",
+        "lastModified": 1768127708,
+        "narHash": "sha256-1Sm77VfZh3mU0F5OqKABNLWxOuDeHIlcFjsXeeiPazs=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c0b0e0fddf73fd517c3471e546c0df87a42d53f4",
+        "rev": "ffbc9f8cbaacfb331b6017d5a5abb21a492c9a38",
         "type": "github"
       },
       "original": {
@@ -62,11 +62,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1767149068,
-        "narHash": "sha256-TjfAb58Ybz/93e2jP0qD846dj+VqiY7wk+EqsxcZ708=",
+        "lastModified": 1768272338,
+        "narHash": "sha256-Tg/kL8eKMpZtceDvBDQYU8zowgpr7ucFRnpP/AtfuRM=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "6d14586a5917a1ec7f045ac97e6d00c68ea5d9f3",
+        "rev": "03dda130a8701b08b0347fcaf850a190c53a3c1e",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index c8e9624..2926a50 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,5 +1,5 @@
 {
-  description = "chatapp monorepo";
+  description = "Frangipane backend";
 
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
@@ -7,25 +7,35 @@
     rust-overlay.url = "github:oxalica/rust-overlay";
   };
 
-  outputs = { nixpkgs, flake-utils, rust-overlay, ... }:
-    flake-utils.lib.eachDefaultSystem (system:
+  outputs =
+    {
+      nixpkgs,
+      flake-utils,
+      rust-overlay,
+      ...
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
       let
         overlays = [ rust-overlay.overlays.default ];
         pkgs = import nixpkgs { inherit system overlays; };
         rust = pkgs.rust-bin.stable.latest.default;
         openssl = pkgs.openssl;
-      in {
+      in
+      {
         packages.default = pkgs.rustPlatform.buildRustPackage {
-          pname = "chatapp";
+          pname = "frangipane";
           version = "1.0.0";
 
-          # Point to the backend subdirectory
-          src = ./backend;
+          src = ./.;
           cargoLock = {
-            lockFile = ./backend/Cargo.lock;
+            lockFile = ./Cargo.lock;
           };
 
-          nativeBuildInputs = [ rust pkgs.pkg-config ];
+          nativeBuildInputs = [
+            rust
+            pkgs.pkg-config
+          ];
           buildInputs = [ openssl ];
 
           OPENSSL_LIB_DIR = "${openssl.out}/lib";
@@ -34,11 +44,18 @@
         };
 
         devShells.default = pkgs.mkShell {
-          packages = [ rust pkgs.cargo pkgs.rust-analyzer pkgs.pkg-config openssl ];
+          packages = [
+            rust
+            pkgs.cargo
+            pkgs.rust-analyzer
+            pkgs.pkg-config
+            openssl
+          ];
           shellHook = ''
             export OPENSSL_DIR=${openssl.dev}
             export PKG_CONFIG_PATH=${openssl.dev}/lib/pkgconfig
           '';
         };
-      });
+      }
+    );
 }
diff --git a/run_db.sh b/run_db.sh
index 694b068..9bc539d 100755
--- a/run_db.sh
+++ b/run_db.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env sh
-podman build -t chatapp-db ./db
+podman build -t frangipane-db ./db
 podman run --replace -d \
-    --name chatapp-db \
+    --name frangipane-db \
     -p 5432:5432 \
-    chatapp-db
+    frangipane-db
diff --git a/src/auth.rs b/src/auth.rs
index 7712d00..b495949 100644
--- a/src/auth.rs
+++ b/src/auth.rs
@@ -50,7 +50,7 @@ pub fn create_jwt(user_uuid: Uuid) -> Result<String, String> {
     };
 
     let secret =
-        std::env::var("CHATAPP_JWT_SECRET").unwrap_or_else(|_| DEFAULT_SECRET_KEY.to_string());
+        std::env::var("FRANGIPANE_JWT_SECRET").unwrap_or_else(|_| DEFAULT_SECRET_KEY.to_string());
 
     encode(
         &Header::default(),
@@ -68,7 +68,7 @@ pub fn verify_jwt(headers: HeaderMap) -> Result<Claims, (StatusCode, String)> {
         .ok_or((StatusCode::UNAUTHORIZED, "Missing token".to_string()))?;
 
     let secret =
-        std::env::var("CHATAPP_JWT_SECRET").unwrap_or_else(|_| DEFAULT_SECRET_KEY.to_string());
+        std::env::var("FRANGIPANE_JWT_SECRET").unwrap_or_else(|_| DEFAULT_SECRET_KEY.to_string());
 
     decode::<Claims>(
         token,
diff --git a/src/db.rs b/src/db.rs
index 771e677..1468e7d 100644
--- a/src/db.rs
+++ b/src/db.rs
@@ -3,7 +3,7 @@ use sqlx::PgPool;
 use uuid::Uuid;
 
 pub async fn init_db(url: String) -> Result<PgPool, sqlx::Error> {
-    let database_url = format!("postgres://chatapp:secret@{url}/chatapp");
+    let database_url = format!("postgres://frangipane:secret@{url}/frangipane");
     PgPool::connect_lazy(database_url.as_str())
 }
 
diff --git a/src/main.rs b/src/main.rs
index 8e9b90f..6d52bdb 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -25,6 +25,7 @@ mod routes;
 
 pub struct AppConfig {
     pub avatar_dir: PathBuf,
+    pub prohibit_registration: bool,
 }
 
 #[derive(clap::Parser, Debug)]
@@ -39,9 +40,13 @@ pub struct Cli {
     database: String,
 
     /// Data directory path
-    #[arg(short = 'D', long, default_value = "/var/lib/chatapp")]
+    #[arg(short = 'D', long, default_value = "/var/lib/frangipane")]
     data_dir: String,
 
+    /// Whether to disable user registration
+    #[arg(short, long)]
+    no_registration: bool,
+
     /// Verbose mode
     #[arg(short, long)]
     verbose: bool,
@@ -86,6 +91,7 @@ async fn main() -> anyhow::Result<()> {
     let data_dir = PathBuf::from(cli.data_dir);
     let config = Arc::new(AppConfig {
         avatar_dir: data_dir.join("avatars"),
+        prohibit_registration: cli.no_registration,
     });
 
     let mut app = Router::new()
diff --git a/src/routes/users.rs b/src/routes/users.rs
index 44afc1d..626e28e 100644
--- a/src/routes/users.rs
+++ b/src/routes/users.rs
@@ -7,7 +7,7 @@ use axum::{
     routing::{get, post, put},
 };
 use sqlx::PgPool;
-use std::{env, sync::Arc};
+use std::sync::Arc;
 use uuid::Uuid;
 use validator::ValidateEmail;
 
@@ -72,10 +72,12 @@ pub fn routes() -> Router {
         .layer(axum::middleware::from_fn(registration_guard))
 }
 
-async fn registration_guard(req: Request, next: Next) -> Result<Response, StatusCode> {
-    if req.uri().path() == "/register"
-        && env::var("CHATAPP_PROHIBIT_REGISTRATION").map_or(false, |v| v.to_lowercase() == "true")
-    {
+async fn registration_guard(
+    Extension(config): Extension<Arc<AppConfig>>,
+    req: Request,
+    next: Next,
+) -> Result<Response, StatusCode> {
+    if req.uri().path() == "/register" && config.prohibit_registration {
         return Err(StatusCode::FORBIDDEN);
     }
     Ok(next.run(req).await)